/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.datastore.gorm.jdbc;

import org.springframework.beans.PropertyValue;

/**
 * A {@link PropertyValue} that can provide information about its origin.
 *
 * @author Andy Wilkinson
 */
class OriginCapablePropertyValue extends PropertyValue {

    private static final String ATTRIBUTE_PROPERTY_ORIGIN = "propertyOrigin";

    private final PropertyOrigin origin;

    private OriginCapablePropertyValue(PropertyValue propertyValue) {
        this(propertyValue.getName(), propertyValue.getValue(),
                (PropertyOrigin) propertyValue.getAttribute(ATTRIBUTE_PROPERTY_ORIGIN));
    }

    OriginCapablePropertyValue(String name, Object value, PropertyOrigin origin) {
        super(name, value);
        this.origin = origin;
        setAttribute(ATTRIBUTE_PROPERTY_ORIGIN, origin);
    }

    private PropertyOrigin getOrigin() {
        return this.origin;
    }

    @Override
    public String toString() {
        String name = this.origin != null ? this.origin.getName() : this.getName();
        String source = this.origin.getSource() != null ? this.origin.getSource().getName() : "unknown";
        return "'" + name + "' from '" + source + "'";
    }

    static PropertyOrigin getOrigin(PropertyValue propertyValue) {
        if (propertyValue instanceof OriginCapablePropertyValue) {
            return ((OriginCapablePropertyValue) propertyValue).getOrigin();
        }
        return new OriginCapablePropertyValue(propertyValue).getOrigin();
    }

}
